{"instruction": "You are an expert in named entity recognition. Please extract entities that match the schema definition from the input. Return an empty list if the entity type does not exist. Please respond in the format of a JSON string.", "schema": ["cell type", "DNA", "protein", "RNA", "cell line"], "input": "In contrast, monocytes and IFN-U937 cells responded only weakly to red cells sensitized with either anti-D in sera from mothers of babies unaffected by HDN , or with antisera containing high titre antibodies with specificities not normally associated with significantly reduced red cell survival ."}
{"cell type": ["monocytes", "red cell", "red cells"], "DNA": [], "protein": ["anti-D", "high titre antibodies"], "RNA": [], "cell line": ["IFN-U937 cells"]}